Question

Tell the answer please
Of both

Answer 1

a)Additive inverse of -7/19 =7/(-19)
b)Additive inverse of 21/112 =(-21)/(-112)

{Sum of no. and its additive inverse is always 0}

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Answer 2

additive inverse is just negative of what has been asked in the question its a trick it is actually
here,
-7/19 +7/19 =0
so additive inverse of -7/19 would be7/19